Has anyone tried this combo?
Yes, me and at the moment I can just find the airplay section.
Today I worked on the Pi Zero 2 W with Hifiberry DAC+ Zero and it works after some updates and a little configuring. Important setting: When selecting the HAT you have to select Hifiberry Dac. Not the Plus one.
I’ll add it to the next release, so can select the DAC+ Zero directly.